﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace Chapter_6
{
    class Program
    {
        //测试
        static void Main(string[] args)
        {
            string s = 10.ToString();
            Vector v1 = new Vector(1, 2, 3);
            Vector v2 = new Vector(4, 5, 6);
            Vector v3 = v1 + v2;
            Console.WriteLine(v3.ToString());
            
        }


    }
}
